517.001.301 MTL7728+ Zener safety barrier for conventional detection circuits

MTL7728+ Zener safety barrier for conventional detection circuits

The MTL7728+ is an intrinsically safe, zone-powered, Zener-diode barrier for use in conventional fire detection systems for protection within hazardous areas.

Key Features:

- Removable, colour-coded terminals

- Bussed power feed to other modules

- Relay and solid state switch modules

- Dual channel variants - 6.3mm per channel

- Proximity detector inputs

- Compatible terminal numbering and safety descriptions

- Dimensions: 105 x 90 x 12.6mm

- Number of Channels: 1

- Supply Voltage: 28 V dc

- Safety Voltage Maximum: 26 V dc

- Safety Current Resistance: 300ohm

- Safety Current Maximum: 93mA

- Signal Type: Analogue

- Minimum Operating Temperature: -20°C

- Maximum Operating Temperature: +65°C

- Hazardous Area Certification: ATEX

- Operating Temperature Range: Maximum of +65 °C